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std::basic_string_view::begin

性病：基本[医]弦[医]视图：：BEGIN，STD：：BASIC[医]弦[医]意见：：

constexpr const_iterator begin() const;​(since C++17)
constexpr const_iterator cbegin() const;​(since C++17)

将迭代器返回到视图的第一个字符。

参数

%280%29

返回值

const_iterator第一个角色。

例外

noexcept规格：

noexcept

复杂性

常量。

另见

endcendreturns an iterator to the end (public member function)

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